This pendulum ball is a scientific toy according to the principle of conservation of momentum. The ball can swing about 15s due to air friction. You can put it at desktop for relaxation and aspiration. It is also an educational toy for kids.
Features:
The frame is made of plastic with piano coating, lightweight, exquisite and sturdy.Nylon string is tough and flexible, which is not easy to break and can ensure uniform force.Solid metal ball can swing about 15s considering air friction.A physics toy for both adults and children.Great home or office desktop ornament to release pressure and stimulate aspiration.
Specifications:
Condition: 100% Brand New
Material: Plastic Frame + Metal Ball
Color: White, Black (Optional)
Ball Diameter: approx. 1.6cm / 0.63in
Size: approx. 16*11.6*8.7cm / 6.30*4.57*3.43in
Weight: approx. 310g
Package Included:
1 x Pendulum Ball
Note:
1. Please allow 0-2cm error due to manual measurement. Thanks for your understanding.
2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.